September weather forecastParrott, VA

September

Weather in September

September, the first month of the autumn in Parrott, is also a moderately hot month, with an average temperature fluctuating between 75°F (23.9°C) and 53.8°F (12.1°C).

Temperature

In Parrott, entering September brings a subtle temperature decrement, reducing from August's moderately hot 81.1°F (27.3°C) to a still warm 75°F (23.9°C). Parrott's average low-temperature in September is measured at a cool 53.8°F (12.1°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 14 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

In Parrott, Virginia, snow does not fall in June through September.

Daylight

In Parrott, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:06 pm EDT.

Sunshine

In September, the average sunshine in Parrott is 8.1h.

UV index

In Parrott, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 4 in September transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

The average high-temperature and low-temperature during September are 75°F (23.9°C) and 53.8°F (12.1°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 86°F (30°C).

The average relative humidity in September is 79%.

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 1.69" (43mm) of precipitation.

In Parrott, in September, during 14 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

In Parrott, snow does not fall in June through September.

In Parrott, in September, it doesn't snow. In October, it regularly snows.

In Parrott, the average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:06 pm EDT.

The average sunshine duration in September is 8.1h.

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Parrott, VA

  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (39.4°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Parrott, VA

  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Parrott, VA

  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Parrott, VA

  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June and July (76%).

Average rainfall in September
Parrott, VA

  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Parrott, VA

  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Parrott, VA

  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Parrott, VA

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Parrott, VA

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Parrott, VA

  • Average sunshine days in September: 12.7 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Parrott, VA

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Parrott, VA

  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and July (Cloud cover 37).

Average visibility in September
Parrott, VA

  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).